7220507 has 8 divisors (see below), whose sum is σ = 8536800. Its totient is φ = 5975424.

The previous prime is 7220497. The next prime is 7220519. The reversal of 7220507 is 7050227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7220507 - 2⁴ = 7220491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17582 + ... + 17987.

It is an arithmetic number, because the mean of its divisors is an integer number (1067100).

Almost surely, 2^7220507 is an apocalyptic number.

7220507 is a deficient number, since it is larger than the sum of its proper divisors (1316293).

7220507 is a wasteful number, since it uses less digits than its factorization.

7220507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35605.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 7220507 is about 2687.1001097838. The cubic root of 7220507 is about 193.2810299127.

The spelling of 7220507 in words is "seven million, two hundred twenty thousand, five hundred seven".